Ron DeSantis’s struggles on the campaign trail have eroded his influence back home in Florida, and even once-close allies are revolting against his control.DeSantis was crowned early on as the natural successor to Donald Trump: A demagogic culture warrior, but younger and more disciplined—he was a figure who could appeal, in theory, both to MAGA diehards and Trump skeptics. When he launched his campaign, he was fresh off a series of victories at home. The Republican-controlled Florida state legi